Rapidly expanding metallic mixture treated to prevent...

Details Rapidly expanding metallic mixture treated to prevent... Rapidly expanding metallic mixture treated to prevent...

2005-02-01

2005-02-01

Mai, Ngoclan T. (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

C149S005000, C149S006000, C149S007000, C149S037000

Reexamination Certificate

active

06849103

ABSTRACT:
Disclosed is a rapidly expanding metallic mixture treated for oxidation prevention thereof at room temperature, comprising a metal salt and a metal powder, which prevents its spontaneous explosion due to oxidation of the metal powder in the mixture at room temperature during storage, or dysfunction of the mixture upon blasting work because of altered mixing ratios between the metal salt and the metal powder. The rapidly expanding metallic mixture is characterized in that the mixture is added with a water repellent such as oil or an inorganic preservative, or is coated with a resin and formed to the size of 0.1-100 mm3.

REFERENCES:
patent: 3297502 (1967-01-01), Chrisp
patent: 3793099 (1974-02-01), Duerksen et al.
patent: 3926698 (1975-12-01), Cook et al.
patent: 3951068 (1976-04-01), Schroeder
patent: 4019932 (1977-04-01), Schroeder

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